<?php return array (
  0 => 
  array (
    'username' => '志斌',
    'email' => '2455585539@qq.com',
    'content' => '就这样？xxxx',
    'id' => '0',
    'create_time' => 1489047109,
  ),
  1 => 
  array (
    'username' => '啊萨达萨达',
    'email' => 'asd@163.com',
    'content' => 'asd',
    'create_time' => 1489738299,
  ),
)?>